400597934 has 16 divisors (see below), whose sum is σ = 676670976. Its totient is φ = 176215800.

The previous prime is 400597907. The next prime is 400597937. The reversal of 400597934 is 439795004.

It is a junction number, because it is equal to n+sod(n) for n = 400597891 and 400597900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400597937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293012 + ... + 294375.

It is an arithmetic number, because the mean of its divisors is an integer number (42291936).

Almost surely, 2^400597934 is an apocalyptic number.

400597934 is a deficient number, since it is larger than the sum of its proper divisors (276073042).

400597934 is a wasteful number, since it uses less digits than its factorization.

400597934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587431.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 400597934 is about 20014.9427678422. The cubic root of 400597934 is about 737.1732515596.

The spelling of 400597934 in words is "four hundred million, five hundred ninety-seven thousand, nine hundred thirty-four".